Home / Product Size / 1-1/2" inside diameter; 5-1/2" outside diameter 1-1/2" inside diameter; 5-1/2" outside diameter Showing all 4 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Caster Cup Plastic – Black $10 Read more Caster Cup Plastic – Brown $10 Read more Caster Cup Plastic – White $10 Read more Caster Cup Plastic Additional Colors $10 Read more